Bugfix: Exception pages did not report their contents as text/html, b…

…ut used text/plain instead, or didnt report Content-Type at all.

CHANGES.txt

@@ -4,8 +4,8 @@ Changelog
 3.0.3 (unreleased)
 ------------------
 
-- Nothing changed yet.
-
+- Bugfix: Exception pages did not report their contents as text/html, but used
+  text/plain instead, or didnt report Content-Type at all.
 
 3.0.2 (2018-01-17)
 ------------------

src/grokcore/layout/components.py

@@ -88,6 +88,8 @@ def __call__(self):
             # A redirect was triggered somewhere in update().  Don't
             # continue rendering the template or doing anything else.
             return
+        self.request.response.setHeader(
+            'Content-Type', 'text/html;charset=utf-8')
         return self.layout(self)
 
     def default_namespace(self):

src/grokcore/layout/tests/models/errorviews.py

@@ -13,6 +13,8 @@
     <div class="layout">A system error occurred.</div>
     </body>
     </html>
+    >>> print(view.request.response.getHeader('Content-Type'))
+    text/html;charset=utf-8
 
     >>> from zope.security.interfaces import Unauthorized
     >>> class MockPrincipal(object):
@@ -26,6 +28,8 @@
     <div class="layout">Access to the requested resource is forbidden.</div>
     </body>
     </html>
+    >>> print(errorpage.request.response.getHeader('Content-Type'))
+    text/html;charset=utf-8
 
     >>> from zope.publisher.interfaces import NotFound
     >>> request = TestRequest()
@@ -37,6 +41,8 @@
     <div class="layout">The requested resource can not be found.</div>
     </body>
     </html>
+    >>> print(errorpage.request.response.getHeader('Content-Type'))
+    text/html;charset=utf-8
 
 """
 import grokcore.component as grok